lucid supports only MPEG2 acceleration because of old intel driver(2.9.1-3ubuntu5)

http://intellinuxgraphics.org/documentation.htmlQuestion: How to play media with VAAPI?AnswerVAAPI is supported on G45/GM45 platforms and later. Make sure you have:1. Intel video driver package. The latest stable release is recommended.2. The media player supports VAAPI. e.g. if you want to use mplayer,you need compile and install the mplayer source package with themplayer vaapi patches.3. libva driver git://git.freedesktop.org/git/libva, need to compileand install.

use vainfo to see what is supported.libva: libva version 0.31.1-sds1libva: va_getDriverName() returns 0libva: Trying to open /usr/lib/va/drivers/i965_drv_video.solibva: va_openDriver() returns 0